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What is the value of k when x2 plus 2kx plus 10x plus k2 plus 5 equals 0 has equal roots?
Wiki User
∙ 6y ago
Equation: x^2 +2kx +10x +k^2 +5 = 0
Using the discriminant: (2k +10)^2 -4*1*(k^2 +5) = 0
Solving the discriminant: k = -2
Wiki User
∙ 6y ago
Wiki User
∙ 6y agok = -2.
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